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Finding the Fourth Proportional to 8,574.07, 12,852.59 and 4,868.63

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Solution

The fourth proportional to 8,574.07, 12,852.59 and 4,868.63 is: 7,298.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,574.07 : 12,852.59 = 4,868.63 : x
  2. Step 2: Convert to fraction form
    8,574.07/12,852.59 = 4,868.63/x
  3. Step 3: Cross multiply
    8,574.07x = 12,852.59 × 4,868.63
  4. Step 4: Simplify right side
    8,574.07x = 62,574,505.25
  5. Step 5: Solve for x
    x = 62,574,505.25/8,574.07
  6. Step 6: Final answer
    x = 7,298.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.